| Locality | Post Code |
|---|---|
| Ada, Perkins | 57620 |
| Anderson, Perkins | 57644 |
| Athboy, Perkins | 57644 |
| Bison, Perkins | 57620 |
| Bixby, Perkins | 57620 |
| Cash, Perkins | 57620 |
| Chance, Perkins | 57620 |
| Coal Springs, Perkins | 57644 |
| Date, Perkins | 57649 |
| Glad Valley, Perkins | 57644 |
| Glendo, Perkins | 57649 |
| Govert, Perkins | 57620 |
| Imogene, Perkins | 57649 |
| Lemmon, Perkins | 57638 |
| Lodgepole, Perkins | 57640 |
| Meadow, Perkins | 57644 |
| Prairie City, Perkins | 57649 |
| Shadehill, Perkins | 57638 |
| Strool, Perkins | 57649 |
| Thunder Hawk, Perkins | 57638 |
| White Butte, Perkins | 57638 |